Update david to version 7.0.0 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

david just published its new version 7.0.0, which is not covered by your current version range.

If this pull request passes your tests you can publish your software with the latest version of david – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging :palm_tree:

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The new version differs by 17 commits .

• 6210afa 7.0.0
• ae5d030 Update history
• a58cb65 Remove temporary ignore for npm
• 7fb01b2 Support node 4 and 5
• 44a6184 Merge pull request #68 from rrrene/patch-1
• 79d5785 Merge pull request #88 from alanshaw/greenkeeper-npm-3.3.12
• aec8516 chore(package): update npm to version 3.3.12
• e97672a 6.4.0
• 496ccac CLI Add -i, --ignore option to ignore dependencies. Resolves #82
• ada446f 6.3.0
• 474bd51 Add docs for ignoring a dependency
• 1ffe581 Merge branch 'master' of github.com:alanshaw/david
• 27d11ac Add ignore option, configured from package.json. Resolves #63
• b7effac Merge pull request #79 from pingunaut/pingunaut-typo-in-readme
• 8742230 Found and fixed a small typo

There are 17 commits in total. See the full diff.

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